Steel Beam Sizes / UK / Universal Beams / UB 356×171×57

UB 356×171×57 Steel Beam Dimensions and Properties

UK Universal beams · v2023.11

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

UB 356×171×57 dimensions

Not to scale. Dimensions shown for reference.

Section properties

Symbols match the steel section finder. Imperial and metric values are shown side by side.

Property Imperial Metric
Weight 38.30 lb/ft 57.00 kg/m
Depth, d 14.09 in 358.00 mm
Flange width, bf 6.78 in 172.20 mm
tw 0.319 in 8.100 mm
tf 0.512 in 13.000 mm
Area 11.25 in² 7,260.00 mm²
Ix 384.40 in⁴ 160,000,000 mm⁴
Iy 26.67 in⁴ 11,100,000 mm⁴
Sx 54.68 in³ 896,000.00 mm³
Sy 7.87 in³ 129,000.00 mm³
Zx 61.63 in³ 1,010,000 mm³
Zy 12.14 in³ 199,000.00 mm³
rx 5.87 in 149.00 mm
ry 1.54 in 39.10 mm
J 0.80 in⁴ 334,000.00 mm⁴
Cw 1,225.16 in⁶ 329,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 356×171×57.

Lighter in Universal beams

UB 406×178×54

Weight
54.1 kg/m (-5.1%)
Depth
402.6 mm (+12%)
Ix
187,000,000 mm⁴ (+17%)

Heavier in Universal beams

UB 457×152×60

Weight
59.8 kg/m (+4.9%)
Depth
454.6 mm (+27%)
Ix
255,000,000 mm⁴ (+59%)

Closest Iₓ in Universal beams

UB 406×140×46

Weight
46.0 kg/m (-19%)
Depth
403.2 mm (+13%)
Ix
157,000,000 mm⁴ (-1.9%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology